Question: What is the open and closed period of the British Museum that every weekend is open?
Paraphrase: On the weekends that the British Museum is open, what is its hours?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q6373 p:P3025 ?s . ?s ps:P3025 wd:Q26214163 . ?s pq:P3027 ?value1 . ?s pq:P3026 ?value2 }